Patents by Inventor Daiki Tabuchi

Daiki Tabuchi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Gas sensor
    Patent number: 9347914
    Abstract: A gas sensor includes a metal shell, a gas sensor element held in the metal shell, a metal portion arranged between a flange portion of the gas sensor element and a seat portion of the metal shell and a porous thermal spray layer formed on the gas sensor element. When viewed in cross section along the direction of an axis of the gas sensor, a corner of the metal portion axially overlaps in position with or radially outwardly protrudes from an outer surface of a part of the thermal spray layer located on a side surface of the flange portion and is brought into contact with the seat portion. A rear end-facing surface of the metal portion is brought into contact with an outer surface of the thermal spray layer at a position radially inside the side surface of the flange portion.
    Type: Grant
    Filed: October 26, 2012
    Date of Patent: May 24, 2016
    Assignee: NGK SPARK PLUG CO., LTD.
    Inventors: Daiki Tabuchi, Hidekazu Kato, Yasuhiro Fujita, Mitsuru Sugihara, Takayoshi Atsumi
  • GAS SENSOR
    Publication number: 20140190829
    Abstract: A gas sensor includes a metal shell, a gas sensor element held in the metal shell, a metal portion arranged between a flange portion of the gas sensor element and a seat portion of the metal shell and a porous thermal spray layer formed on the gas sensor element. When viewed in cross section along the direction of an axis of the gas sensor, a corner of the metal portion axially overlaps in position with or radially outwardly protrudes from an outer surface of a part of the thermal spray layer located on a side surface of the flange portion and is brought into contact with the seat portion. A rear end-facing surface of the metal portion is brought into contact with an outer surface of the thermal spray layer at a position radially inside the side surface of the flange portion.
    Type: Application
    Filed: October 26, 2012
    Publication date: July 10, 2014
    Inventors: Daiki Tabuchi, Hidekazu Kato, Yasuhiro Fujita, Mitsuru Sugihara, Takayoshi Atsumi